A sample project to show how to add a convention to structuremap for taking advantage of optional/default parameters when constructing and object from structuremap. A discussion can be found at: http://jonfuller.codingtomusic.com/2010/06/04/teaching-structuremap-about-c-4-0-optional-parameters-and-default-values/
jonfuller/StructureMapOptionalParams
Teaching StructureMap about C# 4.0 Optional Parameters and Default Parameter Values
C#